ATMEGA323-8PI vs ATMEGA324PA-PU Comparison
Detailed side-by-side comparison of ATMEGA323-8PI by Microchip Technology and ATMEGA324PA-PU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA323-8PI - 8-bit AVR MCU 32KB Flash 8MHz DIP-40 | Microchip
ATMEGA323-8PI ✗ End of LifeMicrochip Technology
ATMEGA324PA-PU - 32KB AVR MCU 20MHz PDIP-40 | Microchip
ATMEGA324PA-PU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA323-8PI | ATMEGA324PA-PU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | End of Life | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.48 | $3.55 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 8 MHz | — |
| Flash Memory Size | 32KB (16K x 16) | — |
| SRAM Size | 2KB | — |
| EEPROM Size | 1KB | — |
| Instructions | 131 instructions, most single-cycle | 131 powerful instructions, most single-cycle |
| Max Throughput | 8 MIPS at 8 MHz (16 MIPS at 16 MHz architecture max) | — |
| Supply Voltage (VCC) | 4.5 V to 5.5 V | — |
| Operating Temperature | -40C to +85C (Industrial, I suffix) | — |
| Package | 40-PDIP (0.600 in, 15.24mm) | 40-pin PDIP (DIP-40), through-hole |
| Mounting Type | Through Hole | Through Hole |
| ADC | 8-channel, 10-bit | 8-channel 10-bit ADC |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) | 2 x USART, 1 x Two-Wire (I2C-compatible), 1 x SPI |
| Timers | 2 x 8-bit, 1 x 16-bit | — |
| Debug Interface | JTAG (on-chip debug and boundary scan) | — |
| In-System Programming | Yes, via SPI and boot section Flash | — |
| Core Architecture | — | 8-bit AVR RISC |
| Flash Memory | — | 32 KB ISP Flash (read-while-write) |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| Maximum Clock Speed | — | 20 MHz (up to 20 MIPS) |
| Supply Voltage | — | 4.5 V to 5.5 V (per listed specifications) |
| General Purpose I/O | — | 32 I/O lines (4 x 8-bit ports) |
| Working Registers | — | 32 x 8-bit |
| Timers/Counters | — | 3 flexible timer/counters with compare modes and PWM |
| Real-Time Counter | — | Yes, with separate oscillator |
| Hardware Multiplier | — | On-chip 2-cycle multiplier |
| Low Power Technology | — | picoPower |
| Life Cycle Stage | — | Active |
| RoHS Status | — | [DATA_NEEDED: RoHS compliance] |